revengerat | 2d1ce85db625dfaa05aba669f90d5d00557ac99e48f1be4be3143b0df39e8580

General

Target

17a1df75fcc3285e08b1e3cf7ca53710N.exe
Size

1.4MB
MD5

17a1df75fcc3285e08b1e3cf7ca53710
SHA1

641fc49ad18ebab095eeefd22780af82a689f3c5
SHA256

2d1ce85db625dfaa05aba669f90d5d00557ac99e48f1be4be3143b0df39e8580
SHA512

6088c45d17898b64c91f870ecacd8b7731c8f7caac682cfabdbc85e0b2e610c53d851bc4245d686a5dff4ec142fabca2815805effb00b583bae73d78cd386fb2
SSDEEP

24576:mq5TfcdHj4fmb82qdEzKJ9Ttr1LnUA8sYtWY1YPI+0zQJ9TtFsVquE9sYtWYwYPF:mUTsamgxn5TYtWY1YPD56YtWYwYPF

Score

10^/10

revengerat discovery stealer trojan upx

Malware Config

Signatures

RevengeRAT
Remote-access trojan with a wide range of capabilities.
trojan revengerat

RevengeRat Executable 1 IoCs

stealer

resource	yara_rule
behavioral1/files/0x000700000001868b-4.dat	revengerat

Executes dropped EXE 1 IoCs

pid	Process
1152	dmr_72.exe

Loads dropped DLL 4 IoCs

pid	Process
2528	17a1df75fcc3285e08b1e3cf7ca53710N.exe
2528	17a1df75fcc3285e08b1e3cf7ca53710N.exe
2528	17a1df75fcc3285e08b1e3cf7ca53710N.exe
2528	17a1df75fcc3285e08b1e3cf7ca53710N.exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2528-0-0x0000000000140000-0x0000000000448000-memory.dmp	upx
behavioral1/memory/2528-24-0x0000000000140000-0x0000000000448000-memory.dmp	upx

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/memory/2528-24-0x0000000000140000-0x0000000000448000-memory.dmp	autoit_exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Nls\Language\InstallLanguage	17a1df75fcc3285e08b1e3cf7ca53710N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	17a1df75fcc3285e08b1e3cf7ca53710N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Nls\Language	17a1df75fcc3285e08b1e3cf7ca53710N.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2528	17a1df75fcc3285e08b1e3cf7ca53710N.exe
1152	dmr_72.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1152	dmr_72.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2528	17a1df75fcc3285e08b1e3cf7ca53710N.exe
2528	17a1df75fcc3285e08b1e3cf7ca53710N.exe
2528	17a1df75fcc3285e08b1e3cf7ca53710N.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
2528	17a1df75fcc3285e08b1e3cf7ca53710N.exe
2528	17a1df75fcc3285e08b1e3cf7ca53710N.exe
2528	17a1df75fcc3285e08b1e3cf7ca53710N.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1152	dmr_72.exe
1152	dmr_72.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2528 wrote to memory of 1152	2528	17a1df75fcc3285e08b1e3cf7ca53710N.exe	31
PID 2528 wrote to memory of 1152	2528	17a1df75fcc3285e08b1e3cf7ca53710N.exe	31
PID 2528 wrote to memory of 1152	2528	17a1df75fcc3285e08b1e3cf7ca53710N.exe	31
PID 2528 wrote to memory of 1152	2528	17a1df75fcc3285e08b1e3cf7ca53710N.exe	31

C:\Users\Admin\AppData\Local\Temp\17a1df75fcc3285e08b1e3cf7ca53710N.exe
"C:\Users\Admin\AppData\Local\Temp\17a1df75fcc3285e08b1e3cf7ca53710N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2528
- C:\Users\Admin\AppData\Local\Temp\DMR\dmr_72.exe
  "C:\Users\Admin\AppData\Local\Temp\DMR\dmr_72.exe" -install -54378657 -chipderedesign -c6e702853042425eb77cde7d4e62c543 - -BLUB2 -tzmryaqoegxxcyih -2528
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:1152

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\DMR\tzmryaqoegxxcyih.dat

Filesize
197B

MD5
421031f8fc1018efbfccc8c9224aea18

SHA1
f729a851ff9cdd236e3a5b6e78d1f671bf76a1a0

SHA256
957cc0883713cef9497034874c9490f832fb4b32f339651c2235c204eb08ee10

SHA512
a96f823d73085c7b2cf1056120924c807a845c6e47ca5e1b4029c6e69fc0c58565038b92dad920840ea800e253e8988a3c4b5d0c68bc0d5b9f1a5494de828f9f

Download Submit
\Users\Admin\AppData\Local\Temp\DMR\dmr_72.exe

Filesize
519KB

MD5
86bbe406e61ec4ee3e7d450c890feba9

SHA1
9075092093489ecbc4877317de8aaf3dac4e8178

SHA256
da79ce0aae248b8b90648152eab7a91d7420e6ee2fce58e072eff9fd6216ffc1

SHA512
066a5d099572ab23f118009e6cd978af0ee18ff5b5451d141fb461e2ff25c15959b5b69fe411322a805eb5ef407335441131b7e02be9f6d361181477e439d1bf

Download Submit
memory/1152-16-0x000007FEF5E53000-0x000007FEF5E54000-memory.dmp

Filesize
4KB

Download
memory/1152-17-0x0000000000BD0000-0x0000000000C58000-memory.dmp

Filesize
544KB

Download
memory/1152-19-0x000007FEF5E50000-0x000007FEF683C000-memory.dmp

Filesize
9.9MB

Download
memory/1152-20-0x000007FEF5E50000-0x000007FEF683C000-memory.dmp

Filesize
9.9MB

Download
memory/1152-21-0x000007FEF5E50000-0x000007FEF683C000-memory.dmp

Filesize
9.9MB

Download
memory/1152-22-0x000007FEF5E50000-0x000007FEF683C000-memory.dmp

Filesize
9.9MB

Download
memory/1152-23-0x000007FEF5E50000-0x000007FEF683C000-memory.dmp

Filesize
9.9MB

Download
memory/1152-25-0x000007FEF5E50000-0x000007FEF683C000-memory.dmp

Filesize
9.9MB

Download
memory/2528-0-0x0000000000140000-0x0000000000448000-memory.dmp

Filesize
3.0MB

Download
memory/2528-24-0x0000000000140000-0x0000000000448000-memory.dmp

Filesize
3.0MB

Download

Analysis

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